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ATAR080 Datasheet

  • ATAR080

  • ATAR080 [Updated 3/03. 59 Pages] Low-current microcontroller...

  • 914.57KB

  • 59頁

  • ETC

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Features/Benefits
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Very Low Power Consumption in Active, Power-down and Sleep Mode
2-Kbyte ROM, 256
麓
4-bit RAM
12 Bi-directional I/Os
Up to 6 External/Internal Interrupt Sources
Multifunction Timer/Counter
Programmable System-clock with Prescaler and Five Different Clock Sources
Wide Supply-voltage Range (1.8 V to 6.5 V)
Very Low Sleep Current (< 1 碌A)
Synchronous Serial Interface (2-wire, 3-wire)
Watchdog, POR and Brown-out Function
Voltage Monitoring Inclusive Lo_BAT Detection
Flash Controller ATAM893 available (SSO20)
Description
The ATAR080 is a member of Atmel鈥檚 family of 4-bit single-chip microcontrollers. It
contains ROM, RAM, parallel I/O ports, one 8-bit programmable multifunction
timer/counter with modulator function, voltage supervision, interval timer with watch-
dog function and a sophisticated on-chip clock generation with external clock input,
integrated RC-, 32-kHz and 4-MHz crystal-oscillators.
Figure 1.
Block Diagram
V SS V DD
NRST/
OSC1 OSC2
Low-current
Microcontroller
for Wireless
Communication
ATAR080
Brown-out protect
RESET
Voltage monitor
External input
VMI
External
RC
Crystal
oscillators oscillators clock input
Clock management
UTCM
Timer 1
interval- and
watchdog timer
ROM
2 K x 8 bit
RAM
256 x 4 bit
Timer 2
8/12-bit timer
with modulator
SSI
Serial interface
T2I
T2O
SD
SC
Data direction
BP20/NTE
Port 2
MARC4
4-bit CPU core
BP21
BP22
BP23
I/O bus
Data direction +
alternate function
Port 4
Data direction +
interrupt control
Port 5
BP40
BP42
INT3
T2O BP43
INT3
SC BP41
SD
VMI
T2I
BP50
BP52
INT6
INT1
BP53
BP51
INT1
INT6
Rev. 4675A鈥?BMCU鈥?3/03
1

ATAR080 產(chǎn)品屬性

  • Atmel

  • RF Microcontrollers (MCU)

  • 4 bit

  • SSO-20

  • SMD/SMT

  • 4000

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